Cap for a writing instrument



FIG. 1 is a perspective view of a cap for a writing instrument showing my new design.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof; the top view is a mirror image of FIG. 4;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a sectional view taken along 7—7 in FIG. 2.

The broken line circle in FIG. 6 shows the bounds of the claim. 

The ornamental design for a cap for a writing instrument, a shown and described. 